The Secretary, in cooperation with the Inland Empire Utilities Agency, may participate in the design, planning, and construction of the Inland Empire regional water recycling project described in the report submitted under section
390h–4(c) of this title.

(b) Cost sharing

The Federal share of the cost of the project described in subsection (a) shall not exceed 25 percent of the total cost of the project.

(c) Limitation

Funds provided by the Secretary shall not be used for operation and maintenance of the project described in subsection (a).

(d) Authorization of appropriations

There is authorized to be appropriated to carry out this section, $20,000,000.